lStimulate plant growth, increase yield and improve quality of plant.
lDissolved in water easily.
lIncrease the fertility of soil and adjust soil structure. Enhance the utilization of other nutrient fertilizers.
lIncrease permeability of plant membranes, easily absorbed by plant owing to its molecular weight.
lPromote the crop resistance to drought and diseases.
is the potassium salt of humic acid. It is manufactured commercially by alkaline extraction of brown coal (lignite) Leonardite to be used mainly as a soil conditioner. The extraction is performed in water with the addition ofpotassium hydroxide (KOH), sequestering agents and hydrotropic surfactants.